Advantech iDAQ-871 handleiding
Handleiding
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iDAQ-871_873 User Manual 16
Figure 3.3 Voltage drop due to lead resistance
As shown in Figure 3.4, instead of using excitation voltage source output as the volt-
age reference of the ADC, in remote sensing, two additional wires (indicated by
green lines) that connect to the bridge directly measure the voltage across the
bridge, and use this value as the voltage reference of the ADC. Because both lines
are high impedance input terminals, there is no current flowing through, and therefore
no voltage drops on these wires.
Figure 3.4 Remote sensing
Remote sensing is not applicable for quarter-bridge configuration due to the imbal-
ance architecture (only R
B1
has wire resistance).
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Productinformatie
| Merk | Advantech |
| Model | iDAQ-871 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 5398 MB |
